Casio WVA-300KQ Service Manual Download | Manualshive

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S

ERVICE

M

ANUAL

& PARTS LIST

(WITHOUT PRICE)

QW-2741

MODULE NO.

R

REF. NO. S/M-808

APR. 2003

WVA-310DQ

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Summary of Contents for WVA-300KQ

Page 1: ...SERVICE MANUAL PARTS LIST WITHOUT PRICE QW 2741 MODULE NO R REF NO S M 808 APR 2003 WVA 310DQ ...

Page 2: ...RCUIT DIAGRAM 3 2 3 CHECKING TERMINALS AND COMPONENTS 4 2 4 P1 P5 PADS 4 3 EXPLODED VIEW MODULE QW 2741 5 4 PARTS LIST MODULE QW 2741 6 5 PRECAUTIONS FOR REPAIR MODULE QW 2741 5 1 AC ALL CLEAR AND REMOVING OF MODULE 7 5 2 ACCURACY CHECKING 7 6 TROUBLESHOOTING FOR TIME RECEPTION MODULE QW 2741 8 ...

Page 3: ...date time received display Time Calibration Signal Station name JJY Fukuoka Saga Japan Frequency 60 kHz Range Approx 1 000 km 20 Telememo pages 8 letters and 12 numbers per page Others Auto sort remaining memory World Time 29 time zones 28 cities daylight saving time on off Day Counter Automatically counts down the days from the current date to a target date Memory capacity 5records 8 characters o...

Page 4: ...0 g0 f0 b1 g1 f1 HYP X5Y2 X6Y2 X7Y2 X8Y2 X9Y2 X18Y2 X17Y2 X16Y2 X15Y2 X14Y2 X13Y2 X12Y2 X11Y2 X10Y2 ANT1 LC4 SIG X0Y1 X1Y1 X2Y1 X3Y1 X4Y1 PM a0 a3 a1 a2 X5Y1 X6Y1 X7Y1 X8Y1 X9Y1 X18Y1 X17Y1 X16Y1 X15Y1 X14Y1 X13Y1 X12Y1 X11Y1 X10Y1 ANT0 LC5 RECOVER X0Y0 X1Y0 X2Y0 X3Y0 X4Y0 24H f3 g3 b3 f2 g2 b2 X5Y0 X6Y0 X7Y0 X8Y0 X9Y0 X18Y0 X17Y0 X16Y0 X15Y0 X14Y0 X13Y0 X12Y0 X11Y0 X10Y0 SDC CHARGE L18 L1 L2 L3 L...

Page 5: ...1 GND VDD2 BAT VCH VDD3 VC1 VC2 C1 C3 C5 XTB Xtal1 CT LD1 S1 S2 S3 VDD1 C2 BD1 C8 LL1 Tr1 XT T1 T2 T3 KI1 KI2 KI3 KI4 KI5 KI6 KI7 KI8 KI9 EMP 3 S4 SCR SCIN RP1 RP2 Cp PZ VDSP C4 VC3 VC4 Di1 V_TQ C7 SDA SCL SCUT AC T4 D0 KC4 KC3 KC22 KC1 R1 R2 VSC C6 SC C9 CLF1 E Cel EL LL2 L VOUT L GND CLF2 V BACK FRONT 4 4 SL PON O1 O2 O4 O3 1 1 1 8 T5 R3 4 LD2 1 3 3 3 3 3 3 1 VC5 VC6 1 1 Z SK VPM RPM 1 Xtal2 ANT...

Page 6: ... 1 2 8 1 9 7 GND VSC L VCH V C 1 V C 2 4 7 SCIN SCIN VSC BD1 VDD2 7 AC KC4 KC1 VCH KI9 KI9 5 KI2 KI3 KI1 KI4 VC1 VSC GND G N D GND GND GND VDD2 GND 16 VDD2 VDD2 L L L GND GND LD1 GND 5 4 2 PON D0 SL 12 13 14 XT XT XTB 02 D0 VDD2 KC3 VOUT VDSP R1 R1 R1 R4 R4 R7 R7 GNDB KC1 GND GND KI8 GND O1 Xtal2 Capacitor Chip Cbat Capacitor Chip Ccp9 Resistor Chip Rpd Capacitor Chip Cf12 Capacitor Chip Cf13 Capa...

Page 7: ...1006 5663 12 1008 3194 14 1006 5664 3 7640 6705 PCB ass y 20 1003 0983 2 1006 5665 19 1001 4294 10 7231 1777 22 7201 9599 23 1006 5659 16 7227 0415 25 7209 9263 17 7640 5483 11 1006 5660 7 1006 5657 Battery Storage CTL1616 26 7224 0652 27 1005 4633 6 7640 5041 6 1 1006 2535 6 2 7227 0273 6 2 7227 0273 15 7227 0252 ...

Page 8: ...57 BATTERY STORAGE CTL1616 QW 2741YCSA 01 1 B 8 1001 6598 CONTACT BATTERY Q366836 1 QW 2741YCSA 01 1 C 9 7211 9631 CUSHION 506 Q49364 1 QW 2741YCSA 01 2 C 10 7231 1777 HOLDER 1381 Q456843 1 QW 2741YCSA 01 1 C 11 1006 5660 HOLDER 2368 Q255111A 1 QW 2741YCSA 01 1 C 12 1008 3194 HOLDER BATTERY Q255199C 2 QW 2741YCSA 01 1 C 13 1006 5662 INTERCONNECTOR Q468267 1 QW 2741YCSA 01 1 C 14 1006 5664 LABEL 23...

Page 9: ...G Check the accuracy of the module with the quartz timer after switching the module to ACCURACY CHECKING MODE The operations are shown below A SWITCHING TO ACCURACY CHECKING MODE While pressing the D button press A and C buttons at the normal timekeeping mode Then all the segments are displayed and the LCD drive signals are changed to the static drive signal of 32 Hz so that you can check the accu...

Page 10: ... signal reception Replace the PCB ass y Signal reception OK Signal reception OK Signal reception OK Replace the Case center ass y with antenna Signal reception OK OK OK OK There is a possibility of the bad location for reception See Time calibration Signal Reception Precautions 6 TROUBLESHOOTING FOR TIME RECEPTION MODULE QW 2741 This is a flow chart about signal reception ...

Page 11: ...CASIO TECHNO CO LTD Overseas Service Division 6 2 Hon machi 1 Chome Shibuya ku Tokyo 151 8543 Japan ...

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